78426090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 222497280

約数和(自身を除く): 144071190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 73, 90, 115, 135, 138, 146, 173, 207, 219, 230, 270, 345, 346, 365, 414, 438, 519, 621, 657, 690, 730, 865, 1035, 1038, 1095, 1242, 1314, 1557, 1679, 1730, 1971, 2070, 2190, 2595, 3105, 3114, 3285, 3358, 3942, 3979, 4671, 5037, 5190, 6210, 6570, 7785, 7958, 8395, 9342, 9855, 10074, 11937, 12629, 15111, 15570, 16790, 19710, 19895, 23355, 23874, 25185, 25258, 30222, 35811, 37887, 39790, 45333, 46710, 50370, 59685, 63145, 71622, 75555, 75774, 90666, 107433, 113661, 119370, 126290, 151110, 179055, 189435, 214866, 226665, 227322, 290467, 340983, 358110, 378870, 453330, 537165, 568305, 580934, 681966, 871401, 1074330, 1136610, 1452335, 1704915, 1742802, 2614203, 2904670, 3409830, 4357005, 5228406, 7842609, 8714010, 13071015, 15685218, 26142030, 39213045, 78426090]

約数ペア:

[(1, 78426090), (2, 39213045), (3, 26142030), (5, 15685218), (6, 13071015), (9, 8714010), (10, 7842609), (15, 5228406), (18, 4357005), (23, 3409830), (27, 2904670), (30, 2614203), (45, 1742802), (46, 1704915), (54, 1452335), (69, 1136610), (73, 1074330), (90, 871401), (115, 681966), (135, 580934), (138, 568305), (146, 537165), (173, 453330), (207, 378870), (219, 358110), (230, 340983), (270, 290467), (345, 227322), (346, 226665), (365, 214866), (414, 189435), (438, 179055), (519, 151110), (621, 126290), (657, 119370), (690, 113661), (730, 107433), (865, 90666), (1035, 75774), (1038, 75555), (1095, 71622), (1242, 63145), (1314, 59685), (1557, 50370), (1679, 46710), (1730, 45333), (1971, 39790), (2070, 37887), (2190, 35811), (2595, 30222), (3105, 25258), (3114, 25185), (3285, 23874), (3358, 23355), (3942, 19895), (3979, 19710), (4671, 16790), (5037, 15570), (5190, 15111), (6210, 12629), (6570, 11937), (7785, 10074), (7958, 9855), (8395, 9342)]